15

Peter O'Brien, Marlins

O'Brien had just 74 plate appearances for the Marlins last year and entered the season with only 79 plate appearances at the highest level in 2015-16. He hit fairly well during his short time with Miami last year ending with a .273 average (18-66), four home runs, and five doubles. The 28-year-old owns a .257 average in 317 career games at Triple-A.